EP1506261B1 - Triazofarbstoffe für den tintenstrahldruck - Google Patents

Triazofarbstoffe für den tintenstrahldruck Download PDF

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Publication number
EP1506261B1
EP1506261B1 EP03725383A EP03725383A EP1506261B1 EP 1506261 B1 EP1506261 B1 EP 1506261B1 EP 03725383 A EP03725383 A EP 03725383A EP 03725383 A EP03725383 A EP 03725383A EP 1506261 B1 EP1506261 B1 EP 1506261B1
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Prior art keywords
optionally substituted
sulpho
composition
carboxy
formula
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English (en)
French (fr)
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EP1506261A1 (de
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Prahalad Manibhai Mistry
Roy P.O. Box 42 BRADBURY
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Fujifilm Imaging Colorants Ltd
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Fujifilm Imaging Colorants Ltd
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/30—Inkjet printing inks
    • C09D11/32—Inkjet printing inks characterised by colouring agents
    • C09D11/328—Inkjet printing inks characterised by colouring agents characterised by dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16—Trisazo dyes
    • C09B31/26—Trisazo dyes from other coupling components "D"
    • C09B31/28—Heterocyclic compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]

Definitions

  • IJP ink jet printing
  • This invention relates to a process for ink jet printing and to a composition suitable for use in ink jet printing ("IJP").
  • IJP is a non-impact printing technique in which droplets of ink are ejected through a fine nozzle onto a substrate without bringing the nozzle into contact with the substrate.
  • IJP Inks used in IJP.
  • they desirably provide sharp, non-feathered images having good waterfastness, ozone-fastness, light-fastness and optical density.
  • the inks are often required to dry quickly when applied to a substrate to prevent smudging, but they should not form a crust over the tip of an ink jet nozzle because this will stop the printer from working.
  • the inks should also be stable to storage over time without decomposing or forming a precipitate which could block the fine nozzle.
  • JP10195320 describes dyes including tris-azo dyes carrying a pyrazolyl azo group and their use in the coloration of paper and pulp.
  • a process for printing an image on a substrate comprising applying thereto a composition by means of an ink jet printer wherein the composition comprises a liquid medium and a compound of Formula (1) or salt thereof: wherein:
  • A is optionally substituted phenyl provided A is not 2-sulpho-4-methoxyphenyl.
  • the optional substituents on A are preferably selected from hydroxy, halo, nitro, cyano, carboxy, sulpho, phosphato, optionally substituted amino, optionally substituted acylamino, optionally substituted ureido, optionally substituted C 1-6 -alkyl, optionally substituted C 1-6 -alkoxy, optionally substituted C 1-10 -alkylthio, optionally substituted aryl, optionally substituted C 1-6 -alkyl sulphonyl and optionally substituted sulphonamido.
  • A carries at least one water-solubilising group selected from carboxy, sulpho and phosphato.
  • phenyl and naphthyl groups represented by A there may be mentioned 3,5-dicarboxyphenyl, 4-sulphophenyl, 4-carboxyphenyl, 4-sulpho-2-carboxyphenyl, 3-sulpho-4-methoxyphenyl, 4-nitro-2-methylphenyl, 4-amino-2-sulphophenyl, 2-sulpho-4-acetamidophenyl, 2-carboxy-4-acetamidophenyl, 6-sulphonaphth-1-ylene and 7-sulphonaphth-1-ylene.
  • the optional substituents on B are preferably selected from carboxy, sulpho, phosphato, optionally substituted amino, acylamino, optionally substituted ureido, optionally substituted alkyl, optionally substituted alkoxy and optionally substituted aryl.
  • B When B is substituted phenylene it preferably carries one or more groups selected from optionally substituted C 1-6 -alkyl, optionally substituted C 1-6 -alkylthio, optionally substituted C 1-6 -alkoxy, optionally substituted amino, optionally substituted ureido, carboxy and sulphato.
  • the naphthylene ring When B is optionally substituted naphthylene the naphthylene ring preferably carries one or more water solubilising groups, more preferably by one or two groups selected from carboxyl, sulphonic and phosphonic acid groups.
  • optionally substituted phenylene and naphthylene groups represented by B there may be mentioned 7-sulphonaphth-1,4-ylene, naphth-1,4-ylene, 2,5-dimethoxyphen-1,4-ylene, 2,5-di(2-hydroxyethoxy)phen-1,4-ylene and 2-methoxy-5-methylphen-1,4-ylene.
  • D is a pyrazolonyl group carrying at least one carboxy, sulpho or phosphato group.
  • D is preferably a pyrazolonyl group of Formula (2a) or Formula (2b): wherein
  • Preferred optionally substituted C 1-6 -alkyl groups are optionally substituted C 1-4 -alkyl, more preferably C 1-4 -alkyl which is unsubstituted or carries a carboxy, sulpho or phosphato group.
  • Preferred optionally substituted C 1-6 -alkoxy groups are optionally substituted C 1-4 -alkyl, more preferably C 1-4 -alkyl which is unsubstituted or carries a carboxy, sulpho or phosphato group.
  • Preferred optionally substituted phenyl groups are those mentioned above for A.
  • Preferred optionally substituted sulphonamide groups are of the formula SO 2 NR 4 R 5 wherein R 4 and R 5 are each independently H, optionally substituted C 1-6 alkyl.
  • optionally substituted amino groups are optionally substituted acylamino, especially C 1-4 -acylamino, more preferably optionally substituted ureido which is unsubstituted or carries a carboxy, sulpho or phosphato group.
  • acyl groups are optionally substituted C 1-4 alkylacyl, optionally substituted phenylacyl, preferably acetyl or benzoyl.
  • R 1 examples of groups represented by R 1 there may be mentioned methyl, carboxy and H.
  • R 2 and R 3 are preferably each independently an optionally substituted aryl group, more preferably phenyl or phenyl carrying one or two substituents selected from carboxy and sulpho.
  • R 2 and R 3 there may be mentioned phenyl, 3-sulphophenyl and 4-sulphophenyl.
  • the compounds of Formula (1) may be prepared by diazotising a compound of the Formula (3) wherein n, A and B are as hereinbefore defined to give a diazonium salt and coupling the resultant diazonium salt with a compound of Formula H-D wherein D is of Formula (2a) or (2b) as hereinbefore defined:
  • the diazotisation is preferably performed at a temperature of 0°C to 10°C.
  • the diazotisation is performed in water, preferably at a pH below 7.
  • Dilute mineral acid e.g. HCl or H 2 SO 4 . may be used to achieve the desired pH conditions.
  • Reaction conditions are those generally used in the dyestuff art, for example as described in for example EP 0356080 .
  • the preferred salts are alkali metal salts (especially lithium, sodium and potassium salts), ammonium and substituted ammonium salts and mixtures thereof.
  • alkali metal salts especially lithium, sodium and potassium salts
  • ammonium and substituted ammonium salts and mixtures thereof are especially preferred salts.
  • Especially preferred salts are sodium, potassium and lithium salts, salts with ammonia and volatile amines and mixtures thereof.
  • the lithium salts have good solubility, forming particularly storage stable inks with low toxicity and no tendency to block ink jet nozzles.
  • the compounds may be converted into a desired salt using known techniques.
  • an alkali metal salt of a compound may be converted into the ammonium or substituted ammonia salt by dissolving an alkali metal salt of the compound in water, acidifying with a mineral acid and adjusting the pH of the solution to pH 9 to 9.5 with ammonia or the amine and removing the alkali metal cations by dialysis or by use of an ion exchange resin.
  • amines which may be used to form such salts include methylamine, dimethylamine, trimethylamine, ethylamine, n-propylamine, iso-propylamine, n-butylamine, iso-butylamine, sec-butylamine, tert-butylamine, piperidine, pyridine, morpholine, allylamine, diethylamine, triethylamine, tetramethyl amine and mixtures thereof.
  • the dyes are completely in the form of the ammonium salt or substituted ammonium salt and mixed alkali metal and either ammonium salt or substituted ammonium salt are effective, especially those in which at least 50% of the cations are ammonium or substituted ammonium ions.
  • Still further salts are those with the counter ions described in US 5,830,265 , claim 1, integer (b).
  • the compounds of Formula (1) may exist in tautomeric forms other than those shown in this specification. These tautomers are included within the scope of the present claims.
  • a preferred composition comprises:
  • the number of parts of component (a) is preferably from 0.1 to 20, more preferably from 0.5 to 15, and especially from 1 to 5 parts.
  • the number of parts of component (b) is preferably from 99.9 to 80, more preferably from 99.5 to 85, especially from 99 to 95 parts.
  • component (a) is completely dissolved in component (b).
  • component (a) has a solubility in component (b) at 20°C of at least 10%. This allows the preparation of liquid dye concentrates which may be used to prepare inks and reduces the chance of the dye precipitating if evaporation of the liquid medium occurs during storage.
  • Preferred liquid media comprise water and an organic solvent, preferably in a weight ratio of water to organic solvent of 99:1 to 1:99, more preferably 99:1 to 50:50 and especially 95:5 to 80:20.
  • the organic solvent is a water-miscible organic solvent or a mixture of such solvents.
  • Preferred water-miscible organic solvents include C 1-6 -alkanols, preferably methanol, ethanol, n-propanol, isopropanol, n-butanol, sec-butanol, tert-butanol, n-pentanol, cyclopentanol and cyclohexanol; linear amides, preferably dimethylformamide or dimethylacetamide; ketones and ketone-alcohols, preferably acetone, methyl ether ketone, cyclohexanone and diacetone alcohol; water-miscible ethers, preferably tetrahydrofuran and dioxane; diols, preferably diols having from 2 to 12 carbon atoms, for example pentane-1,5-diol, ethylene glycol, propylene glycol,
  • Especially preferred water-soluble organic solvents are cyclic amides, especially 2-pyrrolidone, N-methyl-pyrrolidone and N-ethyl-pyrrolidone; diols, especially 1,5-pentane diol, ethyleneglycol, thiodiglycol, diethyleneglycol and triethyleneglycol; and mono- C 1-4 -alkyl and C 1-4 -alkyl ethers of diols, more preferably mono- C 1-4 -alkyl ethers of diols having 2 to 12 carbon atoms, especially((2-methoxy-2)-ethoxy)-2-ethoxyethanol.
  • diols especially 1,5-pentane diol, ethyleneglycol, thiodiglycol, diethyleneglycol and triethyleneglycol
  • mono- C 1-4 -alkyl and C 1-4 -alkyl ethers of diols more preferably mono- C 1-4 -alkyl ether
  • the dyes of the invention may be used as the sole colorant in inks because of their attractive black shade. However, if desired, one may combine the present compounds with one or more further colorants if a slightly different shade is required for a particular end use.
  • the further colorants are preferably dyes. When further colorants are included in the ink these are preferably selected from black, magenta and yellow colorants and combinations thereof.
  • Suitable further black colorants include C.I.Food Black 2, C.I.Direct Black 19, C.I.Reactive Black 31, PRO-JETTM Fast Black 2, C.I.Direct Black 195; C.I.Direct Black 168; and black dyes described in patents by Lexmark (e.g. EP 0 539,178 A2 , Example 1, 2, 3, 4 and 5), Orient Chemicals (e.g. EP 0 347 803 A2 , pages 5-6, azo dyes 3, 4, 5, 6. 7, 8, 12, 13, 14, 15 and 16) and Seiko Epson Corporation.
  • Lexmark e.g. EP 0 539,178 A2 , Example 1, 2, 3, 4 and 5
  • Orient Chemicals e.g. EP 0 347 803 A2 , pages 5-6, azo dyes 3, 4, 5, 6. 7, 8, 12, 13, 14, 15 and 16
  • Seiko Epson Corporation e.g. EP 0 347 803 A2 , pages 5-6, azo dyes 3, 4, 5, 6. 7, 8, 12, 13, 14, 15 and 16
  • Suitable further magenta colorants include PRO-JETTM Fast Magenta 2.
  • Suitable further yellow colorants include C.I.Direct Yellow 142; C.I.Direct Yellow 132; C.I.Direct Yellow 86; C.I.Direct Yellow 85; C.I. Direct Yellow 173; and C.I.Acid Yellow 23.
  • the ink may also contain additional components conventionally used in ink jet printing inks, for example viscosity and surface tension modifiers, corrosion inhibitors, biocides, kogation reducing additives and surfactants which may be ionic or non-ionic.
  • additional components conventionally used in ink jet printing inks, for example viscosity and surface tension modifiers, corrosion inhibitors, biocides, kogation reducing additives and surfactants which may be ionic or non-ionic.
  • the pH of the composition is preferably from 4 to 11, more preferably from 7 to 10.
  • the viscosity of the composition at 25°C is preferably less than 50cP, more preferably less than 20 cP and especially less than 5cP.
  • the composition when used as ink jet printing compositions, the composition preferably has a concentration of halide ions of less than 500 parts per million, more preferably less than 100 parts per million.
  • the composition has less than 100, more preferably less than 50 parts per million of divalent and trivalent metals, wherein parts refer to parts by weight relative to the total weight of the composition.
  • purifying the compositions to reduce the concentration of these undesirable ions reduces nozzle blockage in ink jet printing heads, particularly in thermal ink jet printers.
  • the ink jet printer preferably applies the composition to the substrate in the form of droplets which are ejected through a small orifice onto the substrate.
  • Preferred ink jet printers are piezoelectric ink jet printers and thermal ink jet printers.
  • thermal ink jet printers programmed pulses of heat are applied to the composition in a reservoir by means of a resistor adjacent to the orifice, thereby causing the composition to be ejected in the form of small droplets directed towards the substrate during relative movement between the substrate and the orifice.
  • piezoelectric ink jet printers the oscillation of a small crystal causes ejection of the composition from the orifice.
  • the substrate is preferably paper, plastic, a textile, metal or glass, more preferably a treated substrate such as a coated paper or coated plastic, especially coated paper.
  • Preferred plain or treated papers are papers which may have an acid, alkaline or neutral character. Examples of commercially available treated papers include HP Premium Coated Paper, HP Photopaper (both available from Hewlett Packard Inc.); Stylus Pro 720 dpi Coated Paper, Epson Photo Quality Glossy Film, Epson Photo Quality Glossy Paper (all available from Seiko Epson Corp.); Canon HR 101 High Resolution Paper, Canon GP 201 Glossy Paper, Canon HG 101 and HG201 High Gloss Film and Canon PR101 (all available from Canon).
  • a second aspect of the invention provides a composition comprising a liquid medium and a compound of Formula (1) or salt thereof: wherein:
  • a further aspect of the present invention provides a paper, an overhead projector slide or a textile material printed by means of a process as hereinbefore defined.
  • a still further aspect of the present invention provides an ink jet printer cartridge, optionally refillable, comprising one or more chambers and a composition, wherein the composition is present in at least one of the chambers and the composition is according to the second aspect of the invention.
  • the present compounds and compositions provide prints of attractive, neutral black shades which are particularly well suited for the ink jet printing of text and images.
  • the compositions have good storage stability and low tendency to block the very fine nozzles used in ink jet printers.
  • the resultant images have good optical density, light-fastness, wet-fastness and resistance to fading in the presence of oxidising air pollutants. This is achieved without the need for copper or other transition metals used in the dyes of US 2001/0027734 .
  • the dyes of the present invention are simpler to make and more environmentally friendly than the metallised dyes of US 2001/0027734 .
  • 5-Aminoisophthalic acid (18.1g, 0.1M) was stirred in water (150ml) at room temperature and 2N NaOH added to form a solution at pH 8.0.
  • 2N NaNO 2 solution 50ml was added and the mixture stirred to homogenise.
  • the solution was added gradually to a mixture of ice/water (150ml) and 36% HCl (40ml) at 5°C and the resulting suspension stirred for 2 hours at 0-10 °C.
  • Sulphamic acid solution (10%) was added in order to remove excess nitrous acid.
  • Example 1 1-Naphthylamine (14.3g, 0.1M) was dissolved in water (300ml) and 36% HCl (15ml) at 70°C and cooled to room temperature. The resulting suspension was added to the above diazo suspension at 0-10 °C and the pH adjusted to 4.5 by the addition of sodium acetate. The mixture was stirred for 18 hours and the dye collected by filtration and washed with water (100ml).
  • the dye of Example 1 may be prepared following the processes as set out in Stages B and C below which describe the final processes in the synthesis of the dye of Example 4
  • the paste from Stage 1 was dissolved in water (100ml) and 2N NaOH solution at pH 9.0. 2N NaNO 2 solution (50ml) was added and the mixture stirred 3 minutes. The solution was added gradually to a mixture of ice/water (150ml) and 36% HCl (40ml) at 5 °C using rapid agitation. The resulting suspension was stirred 1h at 5°C. Sulphamic acid solution (10%) was added in order to remove excess nitrous acid.
  • the precipitated dye was collected by filtration and washed with dilute acetic acid solution (5%).
  • the paste was redissolved in water (150ml) and 2N NaOH solution at pH 9.0.
  • the solution was heated to 50°C and NaCl (15% w/v) added and the precipitated dye collected by filtration and washed with 20% NaCl solution (100ml).
  • the product was the trisodium salt of 1-hydroxy-2-(4-[3,5-dicarboxy-phenylazo]-naphth-1-ylazo)-3-sulpho-7-aminonaphthalene.
  • the resultant diazonium salt suspension was then slowly added to a solution of 1-phenyl-5-pyrazolone-3-carboxylic acid (4.51g, obtained from Pfaltz & Bauer) in water (200ml) at pH 7 (lithium hydroxide) at 0-10°C, maintaining the pH at 6-7 by addition of lithium hydroxide (2 M). After stirring for a further 1 hour the temperature is raised to 30°C and lithium chloride 25% w/v was added (exothermic). The stirred suspension was allowed to self-cool to 50°C and the product then isolated by filtration. After washing with lithium chloride solution (1l, 30% w/v) the product was further purified by dissolving in water (500ml) and adding acetone (1l). The title product has then isolated by filtration, washed with acetone, dissolved in water, dialysed to low conductivity before evaporating to dryness. The title product had a ⁇ max 578nm ( ⁇ max 49000).
  • Example 1 The method of Example 1 was repeated except that, where indicated in Table 1 below, 1-naphthylamine was replaced by the amine shown in Column B, and the pyrazolone used in place of 1-phenyl-5-pyrazolone-3-carboxylic acid was of Formula (2a) as hereinbefore defined wherein R 1 and R 2 are as defined in Table 1.
  • the marking "N/A” means the corresponding material from Example 1 was used.
  • the structure of the resultant dye is also shown in Table 1. Table 1 Ex.
  • Example 1 The method of Example 1 was repeated except that, where indicated in Tables 2 and 3 below, 5-aminoisophthalic acid was replaced by the amine indicated in Column A, 1-naphthylamine was replaced by the amine indicated in Column B and a pyrazolone of Formula (2a) as hereinbefore defined was used in place of 1-phenyl-5-pyrazolone-3-carboxylic acid, wherein R 1 and R 2 are as defined in Tables 2 and 3.
  • the marking "N/A" means the corresponding material from Example 1 was used.
  • Inks were prepared containing the dyes from Examples 12, 14, 15 and 19 according to the following formulation: 2-Pyrrolidone 5 parts Thiodiglycol 5 parts Surfynol TM 465 1 part Dye 3.5 parts Water amount required to make up to 100 parts Surfynol TM 465 is a surfactant available from Air Products and Chemicals Inc., USA. Further inks may be prepared according to Tables 4 and 5 wherein the dye described in the first column is the dye made in the above example of the same number. Numbers quoted in the second column onwards refer to the number of parts of the relevant ingredient and all parts are by weight. The inks may be applied to paper by thermal or piezo ink jet printing. The following abbreviations are used in Tables 4 and 5:
  • Example 23 The inks described in Example 23 were ink-jet printed onto a variety of papers using a Hewlett Packard DeskJet 560C TM .
  • the CIE colour co-ordinates of each print (a, b, L, Chroma (C) and hue (H)) were measured using a Gretag Spectrolino Spectrodensitometer TM with 0°/45° measuring geometry with a spectral range of 400-700nm at 20nm spectral intervals, using illuminant D50 with a 2° (CIE 1931) observer angle and a density operation of status A. No less than 2 measurements were taken diagonally across a solid colour block on the print with a size greater than 10mm x 10mm.
  • Table 6 The properties of the resultant prints are shown in Table 6, where the example number of the dye used to prepare the ink is indicated in the left hand column.
  • the substrates used in Tables 6, 7 and 8 were as follows: Substrate Substrate Number: Xerox 4024 TM 1 HG 201 TM 2 PR101 TM Mkll 3 HP Premium Plus TM Mkll 4 SEC Premium Photo TM 5 Table 6 Example No.
  • Example 23 The inks prepared in Example 23 were printed onto the substrates indicated in Table 8 using a HP560 TM ink jet printer. The printed substrates were then assessed for ozone fastness using an ozone test cabinet from Hampden Test Equipment. The exposures to ozone were carried out for 24 hours at 40°C and 50% relative humidity in the presence of 1 part per million of ozone. Ozone-fastness was judged by measuring the optical density before and after exposure to ozone using a Gretag Spectrolino Spectrodensitometer TM . Thus, the lower the %OD loss the greater the ozone fastness. The results are shown in Table 8 where the example number of the dye used to prepare the ink is indicated in the left hand column.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Ink Jet (AREA)
  • Coloring (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (10)

  1. Verfahren zur Bebilderung eines Substrats, bei dem man dieses farbstrahldruckermäßig mit einer Zusammensetzung beaufschlagt, die ein flüssiges Medium und eine Verbindung der Formel (1) oder Salz davon:
    Figure imgb0079
     in der die Formelglieder jeweils folgende Bedeutung haben:
    A ist gegebenenfalls substituiertes Phenyl oder Naphthyl mit der Maßgabe, daß A kein 2-Sulfo-4-methoxyphenyl ist;
    B ist gegebenenfalls substituiertes Phenylen oder Naphthylen;
    n ist 0 oder 1;
    D ist eine Pyrazolonylgruppe;
    umfaßt, wobei das flüssige Medium ein organisches Lösungsmittel umfaßt.
  2. Verfahren nach Anspruch 1, bei dem man die im Rest A der Formel (1) gegebenenfalls vorliegenden Substituenten auswählt aus der Reihe Hydroxy, Halogeno, Nitro, Cyano, Carboxy, Sulfo, Phosphato, gegebenenfalls substituiertes Amino, gegebenenfalls substituiertes Acylamino, gegebenenfalls substituiertes Ureido, gegebenenfalls substituiertes C1-6-Alkyl, gegebenenfalls substituiertes C1-6-Alkoxy, gegebenenfalls substituiertes C1-10-Alkylthio, gegebenenfalls substituiertes Aryl, gegebenenfalls subsituiertes C1-6-Alkylsulfonyl und gegebenenfalls substituiertes Sulfonamido.
  3. Verfahren nach einem der Ansprüche 1 oder 2, bei dem man den Rest A der Formel (1) auswählt aus der Gruppe, umfassend 3,5-Dicarboxyphenyl, 4-Sulfophenyl, 4-Carboxyphenyl, 4-Sulfo-2-carboxyphenyl, 4-Nitro-2-methylphenyl, 4-Amino-2-sulfophenyl, 2-Sulfo-4-acetamidophenyl, 2-Carboxy-4-acetamidophenyl, 6-Sulfonaphth-1-ylen und 7-Sulfonaphth-1-ylen.
  4. Verfahren nach einem der vorhergehenden Ansprüche, bei dem D eine mindestens eine Carboxy-, Sulfo- oder Phosphatogruppe tragende Pyrazolonylgruppe ist.
  5. Verfahren nach einem der vorhergehenden Ansprüche, bei dem die Zusammensetzung ein weiteres Farbmittel ausgewählt aus schwarzen, magenta und gelben Farbmitteln und deren Kombinationen enthält.
  6. Verfahren nach einem der vorhergehenden Ansprüche, bei dem die Formelglieder jeweils folgende Bedeutung haben:
    A ist durch Carboxy, Sulfo, Amino, Methyl, Methoxy oder Acetamido ein- oder zweifach, gleich oder verschieden substituiertes Phenyl mit der Maßgabe, daß A kein 2-Sulfo-4-methoxyphenyl ist;
    B ist durch Sulfo, Methyl, Methoxy oder 2-Hydroxyethoxy ein- oder zweifach, gleich oder verschieden substituiertes Phenylen oder Naphthylen,
    n ist 0 oder 1;
    D entspricht der Formel (2a) oder (2b);
    Figure imgb0080
    R1 ist H, Methyl oder Carboxy;
    R2 und R3 sind jeweils unabhängig voneinander gegebenenfalls durch Sulfo oder Carboxy ein- oder zweifach, gleich oder verschieden substituiertes Phenyl; und
    das Sternchen * die Anbindung der Azobrücke in Formel (1) kennzeichnet.
  7. Verfahren nach einem der vorhergehenden Ansprüche mit der Maßgabe, daß A im Falle gleich gegebenenfalls substituiertes Phenyl keine Nitrogruppen enthält.
  8. Papier, Overheadprojektorfolie oder Textilmaterial, bedruckt nach einem Verfahren gemäß einem der Ansprüche 1 bis 7.
  9. Zusammensetzung, umfassend ein flüssiges Medium und eine Verbindung der Formel (1) oder Salz davon:
    Figure imgb0081
     in der die Formelglieder jeweils folgende Bedeutung haben:
    A ist gegebenenfalls substituiertes Phenyl oder Naphthyl mit der Maßgabe, daß A kein 2-Sulfo-4-methoxyphenyl ist;
    B ist gegebenenfalls substituiertes Phenylen oder Naphthylen;
    n ist 0 oder 1;
    D ist eine Pyrazolonylgruppe; und
    wobei das flüssige Medium zwei oder mehr wasserlösliche organische Lösungsmittel umfaßt und die Zusammensetzung weniger als 100 Gew.-ppm an zwei- und dreiwertigen Metallionen enthält.
  10. Gegebenenfalls nachfüllbare Farbstrahldruckerpatrone, umfassend eine Kammer oder mehrere Kammern und eine Zusammensetzung, wobei die Zusammensetzung in mindestens einer der Kammern enthalten ist und Anspruch 9 entspricht.
EP03725383A 2002-05-11 2003-05-08 Triazofarbstoffe für den tintenstrahldruck Expired - Lifetime EP1506261B1 (de)

Applications Claiming Priority (3)

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GB0210824 2002-05-11
GBGB0210824.9A GB0210824D0 (en) 2002-05-11 2002-05-11 Compounds
PCT/GB2003/001981 WO2003095562A1 (en) 2002-05-11 2003-05-08 Trisazo dyes for ink jet printing

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JP (2) JP2005525449A (de)
AT (2) ATE449137T1 (de)
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US20050200671A1 (en) 2005-09-15
US7052538B2 (en) 2006-05-30
US7041161B2 (en) 2006-05-09
WO2003095563A1 (en) 2003-11-20
ATE449137T1 (de) 2009-12-15
DE60330139D1 (de) 2009-12-31
WO2003095562A1 (en) 2003-11-20
EP1506260A1 (de) 2005-02-16
GB0210824D0 (en) 2002-06-19
AU2003227918A1 (en) 2003-11-11
EP1506260B1 (de) 2009-10-07
DE60329590D1 (de) 2009-11-19
JP2005525449A (ja) 2005-08-25
EP1506261A1 (de) 2005-02-16
US20050217535A1 (en) 2005-10-06
JP2005529990A (ja) 2005-10-06
AU2003230002A1 (en) 2003-11-11
ATE444995T1 (de) 2009-10-15

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